Swiper JS fullscreen image slider CSS

swiper-js-fullscreen-image-slider-css.html

<style>
  .swiper-container {
    height: 300px;
  }
  .swiper-container.fullscreen {
    height: 100vh;
  }
  .swiper-slide {
    background: lightgray;
    text-align: center;
    /* Center slide text vertically */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
  }
  .swiper-slide img {
    position: absolute;
    max-width: 100%;
    z-index: 2;
    cursor: pointer;
  }
  .swiper-slide figcaption {
    position: absolute;
    bottom: 15%;
    z-index: 3;
  }
  .swiper-slide a {
    background: #000;
    color: #fff;
  }
  .fullscreen .swiper-slide img {
    pointer-events: none;
  }
  .fullscreen .swiper-slide .backdrop {
    background: #000;
    opacity: .7;
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    z-index: 1;
    cursor: pointer;
  }
  .fullscreen .swiper-slide .close-button {
    background: #000;
    color: #fff;
    font-size: 16px;
    font-family: sans-serif;
    padding: 10px 18px;
    position: absolute;
    top: 0;
    right: 0;
    z-index: 4;
    cursor: pointer;
  }
</style>